Daisuke Namikawa (浪川 大輔 Namikawa Daisuke, born April 2, 1976 in Tokyo) is a Japanese voice actor who is affiliated with Across Entertainment.

He started acting in 1984, when he was about eight years old. He is sometimes mistaken for fellow voice actor Daisuke Hirakawa, as their names only differ by one character when written in kanji. Despite his wide range of voice casting, he is usually cast as young, kind heroes as Mikage in 07-Ghost, Fai D. Flourite in Tsubasa: Reservoir Chronicle, Jellal Fernandes and his counterpart Mystogan from Fairy Tail, Keita Ibuki in Black God, and Hetalia's North Italy and South Italy, but he is also cast as cold anti-heroes or villains such Ulquiorra Cifer in Bleach, Hisoka in Hunter × Hunter, Kei Kurono in Gantz, Eustass Kid in One Piece and Toutaku Chuuei in Ikki Tousen.